Sodium metabisulphite, dry 98-100.5%, Puriss. p.a. ACS, Reag. Ph. Eur., Fluka™

Supplier: Honeywell Chemicals
Danger

Synonyms: Disodium disulphite, di-Sodium disulphite, Sodium pyrosulphite, Disodiumdisulphite, Sodium disulphite

31448-50KG 31448-2.5KG 31448-500G 31448-5KG
HONC31448-50KGEA 22920 SGD
HONC31448-50KG HONC31448-2.5KG HONC31448-500G HONC31448-5KG
Sodium metabisulphite, dry 98-100.5%, Puriss. p.a. ACS, Reag. Ph. Eur., Fluka™
Sodium metabisulphite
Formula: Na₂S₂O₅
MW: 190,11 g/mol
Boiling Pt: Decomposes on heating
Melting Pt: >150 °C (dec.)
Density: 2,36 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00167602
CAS Number: 7681-57-4
EINECS: 231-673-0
REACH: 01-2119531326-45
Merck Index: 12,08784
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Specification Test Results

Assay 98.0 - 100.5 %
pH (5 %, 20°C) 3.5 - 5.0
Arsenic (As) Max. 0.5 ppm
Calcium (Ca) Max. 0.005 %
Cadmium (Cd) Max. 0.005 %
Cobalt (Co) Max. 0.005 %
Copper (Cu) Max. 0.0005 %
Iron (Fe) Max. 5 ppm
Potassium (K) Max. 0.01 %
Nickel (Ni) Max. 0.005 %
Lead (Pb) Max. 0.0005 %
Zinc (Zn) Max. 0.001 %
Heavy metals (as Pb) Max. 10 ppm
Chloride (Cl) Max. 0.005 %
Thiosulfate (S₂O₃) Max. 0.01 %
Water insoluble matter Max. 0.005 %
Appearance of the solution complying

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